85000491 VOLVO Twin Cylinder, Air Compressor

The technical function of this twin cylinder air compressor is to provide consistent pneumatic pressure within the heavy commercial vehicle braking system. Designed for high-reliability environments, this component ensures the stability of the air supply required for heavy-duty operations. Its robust construction and precise engineering make it a critical element for maintaining system integrity during long-haul transport.

85000491 is the OE-equivalent of the VOLVO 85000491 Twin Cylinder, Air Compressor used in VOLVO vehicles. This high-strength component features a Ø85.00 cylinder bore and a 62 mm stroke to achieve a swept volume of 704cm³. It is specifically engineered to meet the demanding requirements of heavy commercial vehicle air systems.

For workshop technicians, this unit offers seamless integration with existing pneumatic setups. It features a water-cooled design with M16x1,5 inlet and outlet ports to manage thermal loads effectively. The assembly includes an M26x1,5 air outlet port and an M12x1,5 air unloader port, ensuring precise control. Regular inspections of the water cooling lines and port connections are recommended to maintain optimal service intervals.

When replacing an existing unit, verify that the through-drive and ESS feature compatibility match your specific vehicle configuration to ensure smooth installation and long-term performance.